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Old 03-01-2005, 01:46 PM   #253
GulfCoastAquarian
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I tried overdriving a single 20" tube and it didn't seem to make a difference. Others have tried it, though, and reported better results. With such a small tube, it seems the ballast is trying to limit current as much as possible. I've had better success putting two of the 20" tubes in series and tricking the ballast into thinking it is a bigger bulb.
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